NSN 3110-00-925-0397 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-925-0397. Manufacturer of record part number: SB3506B1.
Outside Diameter: 7.1875 INCHES MINIMUM AND 7.1885 INCHES MAXIMUM IN
Backface Corner Radius: 0.1250 INCHES NOMINAL IN
Standard Tolerance Designation: AFBMA CLASS 2
Material: STEEL OVERALL
2 manufacturer part numbers on file
Manufacturer of record: The Timken Corporation
Identification
NSN: 3110-00-925-0397
NIIN: 009250397
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: SB3506B1
Manufacturer: The Timken Corporation
General Description
The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-925-0397, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-00-925-0397
Primary Part Number
SB3506B1
Item Name
Cup,tapered Roller Bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
The Timken Corporation
Status
ACTIVE
Style Designator
NORMAL ANGLE
Outside Diameter
7.1875 INCHES MINIMUM AND 7.1885 INCHES MAXIMUM IN
Other items in FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1938
BEARING,BALL,AIRFRAME
3110-00-001-4661
CONE AND ROLLERS,TAPERED ROLLER
3110-00-001-4662
CUP,TAPERED ROLLER BEARING
3110-00-001-4689
BEARING,BALL,ANNULAR
3110-00-001-4722
BEARING,BALL,ANNULAR
Frequently Asked Questions
What is NSN 3110-00-925-0397?
NSN 3110-00-925-0397 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-00-925-0397?
NSN 3110-00-925-0397 has 2 manufacturer part numbers on file: SB3506B1 (The Timken Corporation), SB3506B1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
What are the specifications of SB3506B1?
Key specifications for SB3506B1: Style Designator: NORMAL ANGLE; Overall Width: 1.5625 INCHES MINIMUM AND 1.5705 INCHES MAXIMUM IN; Outside Diameter: 7.1875 INCHES MINIMUM AND 7.1885 INCHES MAXIMUM IN; Backface Corner Radius: 0.1250 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-925-0397 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.